> I would like to get 3.15.6-rc1 out of the door tomorrow.
To me, skipping this low priority fix seems reasonable to make this deadline. Having multiple identical 'using' doesn't trigger any warnings or errors w/ gcc 4.8. So Sebastian could add these 'using' definitions in his code now as a temporary fix/backwards compatibility.
> I would like to get 3.15.6-rc1 out of the door tomorrow.
To me, skipping this low priority fix seems reasonable to make this deadline. Having multiple identical 'using' doesn't trigger any warnings or errors w/ gcc 4.8. So Sebastian could add these 'using' definitions in his code now as a temporary fix/backwards compatibility.